Neve, Brian
Routledge, 1992
Buku Teks
Halpern, Joel M., author
Souteast Asia Studies, 1965
Buku Teks
Mayer, Ann Elizabeth, author
Westview Press, 1995
Buku Teks
edited by David J. Rothman and Sheila M. Rothman
Basic Books, 1975
Buku Teks
Cohen, Nathan Edward, author
Holt, Rinehart and Winston, 1958
Buku Teks